4,257 results found
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Non-invasive measurement of mRNA decay reveals translation initiation as the major determinant of mRNA stability

    Leon Y Chan, Christopher F Mugler ... Karsten Weis
    Non-invasive mRNA stability measurements reveal that transcript lifetime is governed by a competition with translation initiation on a transcriptome-wide level.
    1. Cell Biology
    2. Computational and Systems Biology

    Regulation of mRNA translation during mitosis

    Marvin E Tanenbaum, Noam Stern-Ginossar ... Ronald D Vale
    Ribosomal profiling reveals that translational repression is an important mechanism for cell cycle control and can complement protein degradation.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Distinct stages of the translation elongation cycle revealed by sequencing ribosome-protected mRNA fragments

    Liana F Lareau, Dustin H Hite ... Patrick O Brown
    The size of the mRNA fragment protected by a ribosome depends on the ribosome's conformation, which enables studies of the distinct steps of decoding and translocation at single-codon resolution.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Mapping translation 'hot-spots' in live cells by tracking single molecules of mRNA and ribosomes

    Zachary B Katz, Brian P English ... Robert H Singer
    A method that involves simultaneous tracking of individual mRNAs and their associated ribosomes can be used to determine when and where individual molecules get translated in living cells.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    N6-methyladenosine (m6A) reader Pho92 is recruited co-transcriptionally and couples translation to mRNA decay to promote meiotic fitness in yeast

    Radhika A Varier, Theodora Sideri ... Folkert J van Werven
    N6-methyladenosine (m6A) reader Pho92 is directed by Paf1C to meiotic mRNAs in an m6A-dependent and independent manner and promotes CCR4-NOT-mediated mRNA decay of m6A modified transcripts contingent on translation.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    mRNA poly(A)-tail changes specified by deadenylation broadly reshape translation in Drosophila oocytes and early embryos

    Stephen W Eichhorn, Alexander O Subtelny ... David P Bartel
    Profiling of mRNA poly(A)-tail lengths and translational efficiencies provides new insights into posttranscriptional gene regulation in early Drosophila development.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Decapping factor Dcp2 controls mRNA abundance and translation to adjust metabolism and filamentation to nutrient availability

    Anil Kumar Vijjamarri, Xiao Niu ... Alan G Hinnebusch
    The yeast mRNA decapping enzyme Dcp1/Dcp2 repressses many genes whose products are required on poor carbon or nitrogen sources in nutrient-replete cells by mRNA decapping and degradation or translational repression, adding post-transcriptional controls to the transcriptional repression of these functions.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    ME31B globally represses maternal mRNAs by two distinct mechanisms during the Drosophila maternal-to-zygotic transition

    Miranda Wang, Michael Ly ... Olivia S Rissland
    ME31B is a general repressor of gene expression in the Drosophila early embryo, repressing translation before the maternal-to-zygotic transition and stimulating mRNA decay after activation of the zygotic genome.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Eukaryotic translation initiation factor 3 plays distinct roles at the mRNA entry and exit channels of the ribosomal preinitiation complex

    Colin Echeverría Aitken, Petra Beznosková ... Jon R Lorsch
    Eukaryotic translation initiation factor 3 (eIF3) is required to stabilize the binding of mRNA at the exit channel of the small ribosomal subunit and acts at the entry channel to accelerate mRNA recruitment to the translation preinitiation complex.
    1. Chromosomes and Gene Expression

    Translational initiation in E. coli occurs at the correct sites genome-wide in the absence of mRNA-rRNA base-pairing

    Kazuki Saito, Rachel Green, Allen R Buskirk
    E. coli ribosomes incapable of base-pairing with the Shine-Dalgarno sequence are still selective for annotated start sites, indicating these sites are hard-wired for initiation by other mRNA features.

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